39998560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:596

約数の個数: 96

約数和(自身を含む): 109734912

約数和(自身を除く): 69736352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 497, 503, 560, 568, 710, 994, 1006, 1120, 1136, 1420, 1988, 2012, 2272, 2485, 2515, 2840, 3521, 3976, 4024, 4970, 5030, 5680, 7042, 7952, 8048, 9940, 10060, 11360, 14084, 15904, 16096, 17605, 19880, 20120, 28168, 35210, 35713, 39760, 40240, 56336, 70420, 71426, 79520, 80480, 112672, 140840, 142852, 178565, 249991, 281680, 285704, 357130, 499982, 563360, 571408, 714260, 999964, 1142816, 1249955, 1428520, 1999928, 2499910, 2857040, 3999856, 4999820, 5714080, 7999712, 9999640, 19999280, 39998560]

約数ペア:

[(1, 39998560), (2, 19999280), (4, 9999640), (5, 7999712), (7, 5714080), (8, 4999820), (10, 3999856), (14, 2857040), (16, 2499910), (20, 1999928), (28, 1428520), (32, 1249955), (35, 1142816), (40, 999964), (56, 714260), (70, 571408), (71, 563360), (80, 499982), (112, 357130), (140, 285704), (142, 281680), (160, 249991), (224, 178565), (280, 142852), (284, 140840), (355, 112672), (497, 80480), (503, 79520), (560, 71426), (568, 70420), (710, 56336), (994, 40240), (1006, 39760), (1120, 35713), (1136, 35210), (1420, 28168), (1988, 20120), (2012, 19880), (2272, 17605), (2485, 16096), (2515, 15904), (2840, 14084), (3521, 11360), (3976, 10060), (4024, 9940), (4970, 8048), (5030, 7952), (5680, 7042)]